ID   A0A225TNJ3_9NOCA        Unreviewed;       369 AA.
AC   A0A225TNJ3;
DT   25-OCT-2017, integrated into UniProtKB/TrEMBL.
DT   25-OCT-2017, sequence version 1.
DT   27-MAR-2024, entry version 22.
DE   RecName: Full=Probable dual-specificity RNA methyltransferase RlmN {ECO:0000256|HAMAP-Rule:MF_01849};
DE            EC=2.1.1.192 {ECO:0000256|HAMAP-Rule:MF_01849};
DE   AltName: Full=23S rRNA (adenine(2503)-C(2))-methyltransferase {ECO:0000256|HAMAP-Rule:MF_01849};
DE   AltName: Full=23S rRNA m2A2503 methyltransferase {ECO:0000256|HAMAP-Rule:MF_01849};
DE   AltName: Full=Ribosomal RNA large subunit methyltransferase N {ECO:0000256|HAMAP-Rule:MF_01849};
DE   AltName: Full=tRNA (adenine(37)-C(2))-methyltransferase {ECO:0000256|HAMAP-Rule:MF_01849};
DE   AltName: Full=tRNA m2A37 methyltransferase {ECO:0000256|HAMAP-Rule:MF_01849};
GN   Name=rlmN {ECO:0000256|HAMAP-Rule:MF_01849};
GN   ORFNames=B9C99_06460 {ECO:0000313|EMBL:OWY82457.1};
OS   Rhodococcus sp. BUPNP1.
OC   Bacteria; Actinomycetota; Actinomycetes; Mycobacteriales; Nocardiaceae;
OC   Rhodococcus.
OX   NCBI_TaxID=1432786 {ECO:0000313|EMBL:OWY82457.1, ECO:0000313|Proteomes:UP000198201};
RN   [1] {ECO:0000313|EMBL:OWY82457.1, ECO:0000313|Proteomes:UP000198201}
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=BUPNP1 {ECO:0000313|EMBL:OWY82457.1,
RC   ECO:0000313|Proteomes:UP000198201};
RA   Sengupta K., Whitworth D.E., Swain M., Saha P.;
RT   "Rhodococcus sp. BUPNP1, whole genome shotgun sequence.";
RL   Submitted (APR-2017) to the EMBL/GenBank/DDBJ databases.
CC   -!- FUNCTION: Specifically methylates position 2 of adenine 2503 in 23S
CC       rRNA and position 2 of adenine 37 in tRNAs. {ECO:0000256|HAMAP-
CC       Rule:MF_01849}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=adenosine(2503) in 23S rRNA + 2 reduced [2Fe-2S]-[ferredoxin]
CC         + 2 S-adenosyl-L-methionine = 2-methyladenosine(2503) in 23S rRNA +
CC         5'-deoxyadenosine + L-methionine + 2 oxidized [2Fe-2S]-[ferredoxin] +
CC         S-adenosyl-L-homocysteine; Xref=Rhea:RHEA:42916, Rhea:RHEA-
CC         COMP:10000, Rhea:RHEA-COMP:10001, Rhea:RHEA-COMP:10152, Rhea:RHEA-
CC         COMP:10282, ChEBI:CHEBI:17319, ChEBI:CHEBI:33737, ChEBI:CHEBI:33738,
CC         ChEBI:CHEBI:57844, ChEBI:CHEBI:57856, ChEBI:CHEBI:59789,
CC         ChEBI:CHEBI:74411, ChEBI:CHEBI:74497; EC=2.1.1.192;
CC         Evidence={ECO:0000256|HAMAP-Rule:MF_01849};
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=adenosine(37) in tRNA + 2 reduced [2Fe-2S]-[ferredoxin] + 2 S-
CC         adenosyl-L-methionine = 2-methyladenosine(37) in tRNA + 5'-
CC         deoxyadenosine + L-methionine + 2 oxidized [2Fe-2S]-[ferredoxin] + S-
CC         adenosyl-L-homocysteine; Xref=Rhea:RHEA:43332, Rhea:RHEA-COMP:10000,
CC         Rhea:RHEA-COMP:10001, Rhea:RHEA-COMP:10162, Rhea:RHEA-COMP:10485,
CC         ChEBI:CHEBI:17319, ChEBI:CHEBI:33737, ChEBI:CHEBI:33738,
CC         ChEBI:CHEBI:57844, ChEBI:CHEBI:57856, ChEBI:CHEBI:59789,
CC         ChEBI:CHEBI:74411, ChEBI:CHEBI:74497; EC=2.1.1.192;
CC         Evidence={ECO:0000256|HAMAP-Rule:MF_01849};
CC   -!- COFACTOR:
CC       Name=[4Fe-4S] cluster; Xref=ChEBI:CHEBI:49883;
CC         Evidence={ECO:0000256|HAMAP-Rule:MF_01849};
CC       Note=Binds 1 [4Fe-4S] cluster. The cluster is coordinated with 3
CC       cysteines and an exchangeable S-adenosyl-L-methionine.
CC       {ECO:0000256|HAMAP-Rule:MF_01849};
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000256|HAMAP-Rule:MF_01849}.
CC   -!- MISCELLANEOUS: Reaction proceeds by a ping-pong mechanism involving
CC       intermediate methylation of a conserved cysteine residue.
CC       {ECO:0000256|HAMAP-Rule:MF_01849}.
CC   -!- SIMILARITY: Belongs to the radical SAM superfamily. RlmN family.
CC       {ECO:0000256|HAMAP-Rule:MF_01849}.
CC   -!- CAUTION: Lacks conserved residue(s) required for the propagation of
CC       feature annotation. {ECO:0000256|HAMAP-Rule:MF_01849}.
CC   -!- CAUTION: The sequence shown here is derived from an EMBL/GenBank/DDBJ
CC       whole genome shotgun (WGS) entry which is preliminary data.
CC       {ECO:0000313|EMBL:OWY82457.1}.
CC   ---------------------------------------------------------------------------
CC   Copyrighted by the UniProt Consortium, see https://www.uniprot.org/terms
CC   Distributed under the Creative Commons Attribution (CC BY 4.0) License
CC   ---------------------------------------------------------------------------
DR   EMBL; NERM01000005; OWY82457.1; -; Genomic_DNA.
DR   RefSeq; WP_016691228.1; NZ_NERM01000005.1.
DR   AlphaFoldDB; A0A225TNJ3; -.
DR   Proteomes; UP000198201; Unassembled WGS sequence.
DR   GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR   GO; GO:0051539; F:4 iron, 4 sulfur cluster binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
DR   GO; GO:0070040; F:rRNA (adenine(2503)-C2-)-methyltransferase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0019843; F:rRNA binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0002935; F:tRNA (adenine(37)-C2)-methyltransferase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0000049; F:tRNA binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0070475; P:rRNA base methylation; IEA:UniProtKB-UniRule.
DR   GO; GO:0030488; P:tRNA methylation; IEA:UniProtKB-UniRule.
DR   CDD; cd01335; Radical_SAM; 1.
DR   Gene3D; 1.10.150.530; -; 1.
DR   Gene3D; 3.20.20.70; Aldolase class I; 1.
DR   HAMAP; MF_01849; RNA_methyltr_RlmN; 1.
DR   InterPro; IPR013785; Aldolase_TIM.
DR   InterPro; IPR040072; Methyltransferase_A.
DR   InterPro; IPR048641; RlmN_N.
DR   InterPro; IPR027492; RNA_MTrfase_RlmN.
DR   InterPro; IPR004383; rRNA_lsu_MTrfase_RlmN/Cfr.
DR   InterPro; IPR007197; rSAM.
DR   NCBIfam; TIGR00048; rRNA_mod_RlmN; 1.
DR   PANTHER; PTHR30544; 23S RRNA METHYLTRANSFERASE; 1.
DR   PANTHER; PTHR30544:SF5; RADICAL SAM CORE DOMAIN-CONTAINING PROTEIN; 1.
DR   Pfam; PF04055; Radical_SAM; 1.
DR   Pfam; PF21016; RlmN_N; 1.
DR   PIRSF; PIRSF006004; CHP00048; 1.
DR   SFLD; SFLDF00275; adenosine_C2_methyltransferase; 1.
DR   SFLD; SFLDG01062; methyltransferase_(Class_A); 1.
DR   SUPFAM; SSF102114; Radical SAM enzymes; 1.
DR   PROSITE; PS51918; RADICAL_SAM; 1.
PE   3: Inferred from homology;
KW   4Fe-4S {ECO:0000256|ARBA:ARBA00022485, ECO:0000256|HAMAP-Rule:MF_01849};
KW   Cytoplasm {ECO:0000256|ARBA:ARBA00022490, ECO:0000256|HAMAP-Rule:MF_01849};
KW   Disulfide bond {ECO:0000256|HAMAP-Rule:MF_01849};
KW   Iron {ECO:0000256|ARBA:ARBA00023004, ECO:0000256|HAMAP-Rule:MF_01849};
KW   Iron-sulfur {ECO:0000256|ARBA:ARBA00023014, ECO:0000256|HAMAP-
KW   Rule:MF_01849};
KW   Metal-binding {ECO:0000256|ARBA:ARBA00022723, ECO:0000256|HAMAP-
KW   Rule:MF_01849};
KW   Methyltransferase {ECO:0000256|ARBA:ARBA00022603, ECO:0000256|HAMAP-
KW   Rule:MF_01849};
KW   rRNA processing {ECO:0000256|ARBA:ARBA00022552, ECO:0000256|HAMAP-
KW   Rule:MF_01849};
KW   S-adenosyl-L-methionine {ECO:0000256|ARBA:ARBA00022691, ECO:0000256|HAMAP-
KW   Rule:MF_01849};
KW   Transferase {ECO:0000256|ARBA:ARBA00022679, ECO:0000256|HAMAP-
KW   Rule:MF_01849};
KW   tRNA processing {ECO:0000256|ARBA:ARBA00022694, ECO:0000256|HAMAP-
KW   Rule:MF_01849}.
FT   DOMAIN          114..351
FT                   /note="Radical SAM core"
FT                   /evidence="ECO:0000259|PROSITE:PS51918"
FT   ACT_SITE        108
FT                   /note="Proton acceptor"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01849"
FT   ACT_SITE        362
FT                   /note="S-methylcysteine intermediate"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01849"
FT   BINDING         128
FT                   /ligand="[4Fe-4S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:49883"
FT                   /ligand_note="4Fe-4S-S-AdoMet"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01849"
FT   BINDING         132
FT                   /ligand="[4Fe-4S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:49883"
FT                   /ligand_note="4Fe-4S-S-AdoMet"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01849"
FT   BINDING         135
FT                   /ligand="[4Fe-4S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:49883"
FT                   /ligand_note="4Fe-4S-S-AdoMet"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01849"
FT   BINDING         183..184
FT                   /ligand="S-adenosyl-L-methionine"
FT                   /ligand_id="ChEBI:CHEBI:59789"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01849"
FT   BINDING         217
FT                   /ligand="S-adenosyl-L-methionine"
FT                   /ligand_id="ChEBI:CHEBI:59789"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01849"
FT   BINDING         240..242
FT                   /ligand="S-adenosyl-L-methionine"
FT                   /ligand_id="ChEBI:CHEBI:59789"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01849"
FT   BINDING         319
FT                   /ligand="S-adenosyl-L-methionine"
FT                   /ligand_id="ChEBI:CHEBI:59789"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01849"
SQ   SEQUENCE   369 AA;  39756 MW;  E49A17C46BFA30CE CRC64;
     MASSLPLVFD APKRGLPPRH LADLDADQRR DAVRELGLPA FRADQLARQY YGRLEADPAK
     MTDLPAAVRD KVGEALFPPL LSAVRHIACD GGETRKTLWR AHDGTLLESV LMRYPDRATL
     CISSQAGCGM ACPFCATGQG GLDRNLSTAE IVDQVRAAAA ALRDGDVAGG PGRLSNVVFM
     GMGEPLANYK RVVAAVRRIT SPAPEGLGLS QRSVTVSTVG LAPAIRRLAD EGLSVTLAVS
     LHTPDDELRD TLVPVNNRWS VAEVLEAARY YADKTGRRVS IEYALIRDVN DQPWRADMLG
     KKLHKALGSL VHVNLIPLNP TPGSEWDASP KDVEREFVRR VQAQGVSCTV RDTRGQEIAA
     ACGQLAAEG
//